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A B and C start at the same time in the...

This question belongs to Arithmetic Ability Problems On H.C.F And L.C.M
Problems on H.C.F and L.C.M
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A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and c in 198 seconds, all starting at the same point. After what time will they again at the starting point ?

Answer & Solution
Correct Answer: Option D
L.C.M. of 252, 308 and 198 = 2772
So, A, B and C will again meet at the starting point in 2772 sec. i.e., 46 min. 12 sec.
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